Meet Our Experts
Our Principals
Brad Brechwald, PE, PLS
CEO, President
Thomas Zehnder, PE
Principal, CFO
Jorge Aguilar, PE
Principal
Robert Miller, PE
Principal
Kari Wagner, PE
Principal, COO
Bryan Childress, PE
Principal and Director of Mechanical Engineering
Clayton Bradshaw, PE, PLS
Director of Surveying
Zac Powell, PE
Associate Engineer
Josh Whipple
Senior Mechanical Designer
Jessica Escobar, PLA
Landscape Architect
Suzanne Baird, PLA, ASLA
Landscape Architect
Bryce Dilger, PLS
Senior Land Surveyor II
Julie Rae Wilson
Controller
Nate Whitcare, PE
Senior Designer
Michael Hausman, PE
Civil Engineer
Ryan Burmaster
Survey Technician
Olivia Williams
Associate Engineer
Ethan Pence, PE
Civil Engineer
Mark Madonna, PE
Survey Technician
Brandon Puccini
Associate Engineer
Alexandra Cass, PE
Associate Engineer
Conner Kelly, PE
Associate Engineer
Jamie Rogers
Marketing Coordinator
Bria diCicco
Marketing & Business Development Manager
Tim Peterson
Project Analyst Compliance Inspector
Matt Wilkins, PLA, ASLA, APA
Director of Landscape Architecture
Cris Disarufino
Senior Civil Designer
Nick Sine, LSIT
Survey Technician
Marcus Jackson
Senior Program Manager
Luz Garcia, PLS
Professional Land Surveyor
JB Barrera
Assistant Resident Engineer
John Wallace, PE
Consulting Engineer
Zach Markow, PE
Civil Engineer
Jorge Avila
Assistant Resident Engineer
Paula Cappiello
Senior Accountant
Bill Lindahl, PE
Senior Mechanical Engineer
Lee Faraca, PE
Civil Engineer
Samar Saliba
Senior Accountant
Heather Johnson
Reception & Admin
Jamie Platz, PE
Senior Civil Engineer
Wen Bin Sullivan, PE
Civil Engineer
Valerie Huff, PE
Senior Civil Engineer
Daniel Herrera
Survey Technician
Matt Valez
Operations Manager
Zachary Caipang, PE
Associate Engineer
Glenn Rider
Senior Environmental Compliance Specialist
Jenni Metzger
Project Analyst
Sonil Kim
Assistant Resident Engineer
Erik Rutherford, PE
Senior Mechanical Engineer
Kathy Redden
Executive Assistant
Tina Mayer, PE
Principal Civil Engineer
Lonnie Richardson
Senior Project Analyst
David Jamesson, PLA
Landscape Architect
Zachary Teske, PE
Director of Construction Management
Sarah Huffman, PE
Civil Engineer
George Marchenko, PLS
Senior Land Surveyor
Tony Scalise
Assistant Resident Engineer
Steven Tanaka, PE, CSI, CCS
Principal Civil Engineer
Alvaro Escobedo
Associate Engineer
Frances Yu
Survey Technician
Gabriela Mendoza
Accountant
Marilynn Connell
Landscape Designer
Ralph Schell
Senior Civil Designer
Anthony Lehman
Assistant Resident Engineer
Marco Castaneda, PLS
Professional Land Surveyor
Travis Vasquez, PE
Associate Engineer
Jenna Mitchell
Human Resources Manager
Rachel Hawthorne, PE
Director of Civil and Transportation Engineering
Greg Hulburd, PE, QSD/P
Director of Water Resources
Alex Murray, PE
Civil Engineer
Bill Callahan
Senior Environmental Compliance Specialist
Want to make our communities better?